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# A simple timer for executing gcode templates
#
# Copyright (C) 2019 Eric Callahan <arksine.code@gmail.com>
#
# This file may be distributed under the terms of the GNU GPLv3 license.
import logging
class DelayedGcode:
def __init__(self, config):
self.printer = config.get_printer()
self.reactor = self.printer.get_reactor()
self.name = config.get_name().split()[1]
self.gcode = self.printer.lookup_object("gcode")
gcode_macro = self.printer.load_object(config, "gcode_macro")
self.timer_gcode = gcode_macro.load_template(config, "gcode")
self.duration = config.getfloat("initial_duration", 0.0, minval=0.0)
self.timer_handler = None
self.inside_timer = self.repeat = False
self.printer.register_event_handler("klippy:ready", self._handle_ready)
self.gcode.register_mux_command(
"UPDATE_DELAYED_GCODE",
"ID",
self.name,
self.cmd_UPDATE_DELAYED_GCODE,
desc=self.cmd_UPDATE_DELAYED_GCODE_help,
)
def _handle_ready(self):
waketime = self.reactor.NEVER
if self.duration:
waketime = self.reactor.monotonic() + self.duration
self.timer_handler = self.reactor.register_timer(
self._gcode_timer_event, waketime
)
def _gcode_timer_event(self, eventtime):
self.inside_timer = True
try:
self.gcode.run_script(self.timer_gcode.render())
except Exception:
logging.exception("Script running error")
nextwake = self.reactor.NEVER
if self.repeat:
nextwake = eventtime + self.duration
self.inside_timer = self.repeat = False
return nextwake
cmd_UPDATE_DELAYED_GCODE_help = "Update the duration of a delayed_gcode"
def cmd_UPDATE_DELAYED_GCODE(self, gcmd):
self.duration = gcmd.get_float("DURATION", minval=0.0)
if self.inside_timer:
self.repeat = self.duration != 0.0
else:
waketime = self.reactor.NEVER
if self.duration:
waketime = self.reactor.monotonic() + self.duration
self.reactor.update_timer(self.timer_handler, waketime)
def load_config_prefix(config):
return DelayedGcode(config)
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